The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2011
Filed:
Oct. 25, 2007
Applicant:
Réjean Aubé, Lachute, CA;
Inventor:
Réjean Aubé, Lachute, CA;
Assignee:
Orica Explosives Technology Pty Ltd, Melbourne, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06B 45/10 (2006.01); C06B 45/02 (2006.01); F42C 19/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A delay composition for a detonator or delay device. The composition comprising a mixture of silicon and barium sulfate, and an amount of red lead in the range of about 3 to 15%, and preferably 6 to 12%, by weight of the mixture. The invention also relates to a delay element comprising a rigid metal tube containing the delay composition, and a delay device incorporating the delay element.